Tag Archives: non-LTE

Influence of Departures from LTE on Oxygen Abundance Determination

Sitnova, T. M. (1,2), Mashonkina, L. I. (1) and Ryabchikova, T. A. (1) ((1) Institut of Astronomy of RAS, Moscow, Russia; (2) Moscow M.V. Lomonosov State University, Moscow, 119991 Russia) We performed non-LTE calculations for O I with the plane-parallel … Continue reading

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Improved log(gf) Values for Lines of Ti II and New Titanium Abundances in the Sun and the Metal-Poor Star HD 84937

Wood, Michale (1), Lawler J. E. (1), Sneden C. (2) and Cowan J. J. (3) ((1) University of Wisconsin; (2) University of Texas; (3) University of Oklahoma) New atomic transition probability measurements for 364 lines of Ti II in the … Continue reading

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Physical parameters and chemical abundances of δ Ceti

Levenhagen, R.S. (1) Künzel, R. (2) Leister, N. V. (2) ((1) Universidade Federal de São Paulo,  Diadema, SP, Brazil (2)Universidade de São Paulo,  São Paulo, SP, Brazil) A detailed spectroscopic study of a β Cephei variable star, δ Ceti, is … Continue reading

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Stellar laboratories: new Ge V and Ge VI oscillator strengths and their validation in the hot white dwarf RE 0503-289

T. Rauch (1), K. Werner (1), É. Biémont (2,3), P. Quinet (2,3), and J. W. Kruk (4) ((1) Institute for Astronomy and Astrophysics, Kepler Center for Astro and Particle Physics, Eberhard Karls University, Sand 1, 72076 Tübingen, Germany; (2) Astrophysique … Continue reading

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Understanding hydrogen recombination line observations with ALMA and EVLA

Thomas Peters (1,2,3), Steven N. Longmore (4) and Cornelis P. Dullemond (1) ((1) Zentrum für Astronomie der Universität Heidelberg, Institut für Theoretische Astrophysik, Albert-Ueberle-Str. 2, D-69120 Heidelberg, Germany; (2) Fellow of the Baden-Württemberg Stiftung; (3) Institut für Theoretische Physik, Universität … Continue reading

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